<template>
    <div class="shopcar-container">
        <!-- 每个商品的信息项 -->
        <div class="goods-list">
            <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						<mt-switch v-model="$store.getters.getGoodsSelected[item.id]"  @change="updateSelected(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src="item.thumb_path" alt="">
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <p>
                                <span class="price">¥{{ item.sell_price }}</span>
                                <numbox :initcount="$store.getters.getCountObj[item.id]" :id="item.id"></numbox>
                                <!-- item是为了从 store 里删除商品数据，i是为了从 goodslist 里删除商品数据 -->
                                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                            </p>
                        </div>
                    </div>
				</div>
			</div>

            <!-- 结算区域 -->
            <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner jiesuan">
						<div>
                            <p>总计（不含运费）</p>
                            <p>已勾选商品
                                <span class="red">{{ $store.getters.getSelectedCountAndAmount.totalcount }}</span>件，总价：
                                <span class="red">¥{{ $store.getters.getSelectedCountAndAmount.amount }}</span></p>
                        </div>
                        <mt-button type="danger" >去结算</mt-button>
					</div>
				</div>
			</div>
        </div>
    </div>
</template>

<script>
    import numbox from '../subcomponents/shopcar_numbox.vue'
    export default {
        data() {
            return {
                goodslist: [] // 保存所有商品数据
            }
        },
        created () {
            this.getGoodsById();
        },
        methods: {
            getGoodsById() {
                // 拿到所有购物车中商品的ID
                var idArr = [];
                this.$store.state.car.forEach(item => {
                    idArr.push(item.id)
                });
                if(idArr.length <= 0) {
                    return;
                }
                //获取所有商品的数据
                this.$http.get('api/goods/getshopcarlist/'+idArr.join(',')).then( result => {
                    if(result.body.status === 0) {
                        this.goodslist = result.body.message;
                    }
                })
            },
            remove(id,index) {
                // 点击删除，从 store 中根据商品的 id 删除数据，根据 index 索引，从 goodslist 中删除数据
                this.goodslist.splice(index,1);
                this.$store.commit("removeFormCar",id)
            },
            updateSelected(id,val) {
                console.log(id+"----"+val);
                this.$store.commit('updateSelected',{id,selected:val})
            }
        },
        components: {
            numbox
        }
    }
</script>

<style lang="scss" scoped>
.shopcar-container{
    background-color: #ddd;
    overflow:hidden;
}
    .goods-list{
        .mui-card-content-inner{
            display:flex;
            img{
                // width: 60px;
                height:60px;
            }
            h1 {
                font-size: 13px;
            }
            .info {
                p{
                    margin-top:10px;
                }
                .price{
                    color:red;
                    font-weight: bold;
                }
            }
        }
    }
    .jiesuan {
        display:flex;
        justify-content: space-between;
        align-items:center;
        .red {
        color:red;
        font-size:16px;
        font-weight:bold;
    }
    }
    
</style>
